| 摘要 |
<P>PROBLEM TO BE SOLVED: To reach the charging base by using the power of a battery efficiently to a predetermined lower limit residual capacity. <P>SOLUTION: The battery charge controller includes a required energy estimation unit 140 which estimates the energy required for a vehicle to run from the present location to the charging base, a required power estimation unit 141 which estimates the power required for actual run, a target residual capacity setting unit 142 which sets up the target residual capacity of a battery 4 that is charged with the power generated from a power generation electric motor 2, and a generation power control unit 143 which controls the power generation electric motor 2. The target residual capacity setting unit 142 sets up the lower limit residual capacity of the battery 4 based on the required power, sets up the lower limit residual capacity as the target residual capacity when the residual capacity of the battery corresponding to the required energy estimated by the required energy estimation unit 140 goes below the lower limit residual capacity, and the generation power control unit 143 controls the power generation electric motor 2 so that the residual capacity of the battery 4 detected by a residual capacity detection means of the battery becomes the target residual capacity. <P>COPYRIGHT: (C)2010,JPO&INPIT |
